Appeal 2007-2193
Application 10/816,369
We AFFIRM.
INTRODUCTION
Appellants claim a device for sucking up particles comprising, in
relevant part, a partition TW separating said collection chamber SR from
said reception chamber MR and having a partition surface, said partition TW
having an inlet orifice formed therein for channeling an air stream from said
collection chamber SR to said suction device GB, MO, the inlet orifice of
said partition TW coupling said collection chamber SR to said suction
device GB, MO in said reception chamber MR (Figure 3; claim 1).
Appellants disclose that the larger the inlet orifice in the partition TW, the
less resistance opposes the air stream directed toward the suction device,
which avoids an excessive pressure from the collection chamber SR to the
reception chamber MR (Specification 3).
Claims 1, 11, and 13 are illustrative:
1. A device for sucking up particles to be collected, the device
comprising:
at least one collection chamber for accumulating the particles;
a suction device;
at least one reception chamber storing said suction device;
a partition separating said collection chamber from said reception
chamber and having a partition surface, said partition having an inlet orifice
formed therein for channeling an air stream from said collection chamber to
and 13-22 are pending in the application, all of which are rejected and on
Appeal” (Br. 5) that claim 18 is pending and on appeal.
2
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